Only 5%-10% of your customers will ever give feedback, of that only 1 % will complain loudly about bad service, product faults, etc. The rest will smile, wave a

Only 5%-10% of your customers will ever give feedback, of that only 1 % will complain loudly about bad service, product faults, etc. The rest will smile, wave and never use your product again. Also way more will bad-word-of-mouth you if you screw up. Something like this feedback is the only warningshot you might ever get during a product release. Thus, paneltest it annonymously way ahead of time.